QNT 275 Week 2 Quiz | Assignment Help | University Of Phoenix
- University of Phoenix / QNT 275
- 12 Aug 2017
- Price: $10
- Other / Other
QNT 275 Week 2 Quiz | Assignment Help | University Of Phoenix
Question 1. We obtain the percentage of a category by:
o multiplying the frequency of that category by 100
o dividing the frequency of that category by 100
o multiplying the relative frequency of that category by 100
o dividing the sum of all frequencies by the frequency of that category
Question 2. Which of the following is not an example of a discrete random variable?
o The number of stocks a person owns
o The number of days it rains in a month in New York
o The time spent by a physician with a patient
o The number of persons allergic to penicillin
question3. The number of classes in a frequency distribution depends on the size of the data set. In general, the:
o number of classes should be equal to the number of values in the data set divided by 5
o smaller the data set, the larger the number of classes
o larger the data set, the smaller the number of classes
o larger the data set, the larger the number of classes
question4. Which of the following pairs of events is mutually exclusive?
Male and republican
o Female and male
o Male and no opinion
o Female and republican
o Female and democrat
o
Question 5. You randomly select two households and observe whether or not they own a telephone answering machine. Which of the following is a simple event?
o At least one of them owns a telephone answering machine.
o At most one of them owns a telephone answering machine.
o Neither of the two owns a telephone answering machine.
o Exactly one of them owns a telephone answering machine.
question6. You toss a coin nine times and observe 3 heads and 6 tails. This event is a:
o multinomial sample point
o simple event
o compound event
o multiple outcome
USA 
India
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